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Aluminium Sulfate 14 - 18-water, 99.5%
Cyproconazole,100ng/ul 标准品
丙酸钾
ZORBAX RRHD 300A StableBond Diphenyl 色谱柱
Universal coloured, self-adhesive label tape, orange, width: 13 mm, withstands temperatures from -23+130°C roll of 12.7 m
4-(N,N-二乙基)-2-甲基苯二胺盐酸盐 标准品
BETASIL DIOL 100 5UM 250X2.1MM COLUMN
4-羧基苯硼酸频哪酯
a-HCH,(α-六六六)10ng/ul于环己烷 标准品
Hibar 250-4,LiChrosorb RP-18 7μm定制柱